Quaternary phase equilibrium of water-carboxylic acid mixture (formic-propionic acid or acetic-propionic acid)-solvent liquid systems at 298.15 K

被引：7

作者：

Baslioglu, Burcu ^{[1
]}

Cehreli, Suheyla ^{[1
]}

机构：

[1] Istanbul Univ, Fac Engn, Dept Chem Engn, TR-34320 Istanbul, Turkey

来源：

FLUID PHASE EQUILIBRIA | 2011年 / 312卷

关键词：

Liquid-liquid equilibria; Acid mixture; Amyl acetate; Diisobutyl ketone; Diisopropyl ether; CONVENTIONAL SOLVENT SYSTEMS; ADIPATE TERNARY-SYSTEMS; PLUS DIETHYL SUCCINATE; METHYL ISOBUTYL KETONE; EXTRACTION EQUILIBRIA; CYCLOHEXYL ACETATE; T=298.2 K; ATMOSPHERIC-PRESSURE; DIMETHYL PHTHALATE; DIISOPROPYL ETHER;

D O I：

10.1016/j.fluid.2011.09.014

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Liquid-liquid equilibrium data of water-acid mixture (formic-propionic acid or acetic-propionic acid)-solvent (amyl acetate, diisobutyl ketone, and diisopropyl ether) quaternary systems were measured at 298.15 K. Complete phase diagrams were obtained by determining solubility curves and tie-lines. A comparison of the extracting capabilities of the solvents was made with respect to distribution coefficients, separation factors and solvent-free selectivity bases. Reliability of the data was ascertained from Othmer-Tobias plots. It is concluded that the used solvents can be treated as suitable separating agents for dilute aqueous formic-propionic acid or acetic-propionic acid mixtures. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：85 / 92

页数：8

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